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Avtech AVRF-2-B, Инструкция по эксплуатации

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Avtech AVRF-2-B Скачать руководство пользователя страница 29

:SOURce

INTernal | EXTernal | MANual | HOLD | IMMediate

*CLS

[no query form]

*ESE

<numeric value>

*ESR?

[query only]

*IDN?

[query only]

*OPC
*SAV

0 | 1 | 2 | 3

[no query form]

*RCL

0 | 1 | 2 | 3

[no query form]

*RST

[no query form]

*SRE

<numeric value>

*STB?

[query only]

*TST?

[query only]

*WAI

[no query form]

29

Содержание AVRF-2-B

Страница 1: ...SERIAL NUMBER 14005 A V T E C H E L E C T R O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 info avtechpulse com http www avtechpulse com Tel 888 670 8729 USA Canada or 1 613 686 6675 Intl Fax 800 561 1970 USA Canada or 1 613 686 6679 Intl BOX 5120 LCD MERIVALE OTTAWA CANADA K2C3H5 ...

Страница 2: ...lace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or ratings This warranty is the extent of the obligation assumed by Avtech with respect to this product and no other warranty or guarantee is either expressed or implied TECHNICAL SUPPORT Phone 888 670 8729 USA Canada or 1 613 686 667...

Страница 3: ...VISUAL CHECK 10 POWER RATINGS 10 CONNECTION TO THE POWER SUPPLY 10 PROTECTION FROM ELECTRIC SHOCK 11 ENVIRONMENTAL CONDITIONS 12 LABVIEW DRIVERS 12 FUSES 13 AC FUSE REPLACEMENT 13 DC FUSE REPLACEMENT 14 FUSE RATINGS 14 FRONT PANEL CONTROLS 15 REAR PANEL CONTROLS 17 GENERAL INFORMATION 19 BASIC PULSE CONTROL 19 TRIGGER MODES 20 PULSE WIDTH MODES 21 GATING MODES 21 PROTECTING YOUR INSTRUMENT 22 TURN...

Страница 4: ...NANCE 31 CLEANING 31 WIRING DIAGRAMS 32 WIRING OF AC POWER 32 PCB 158R5 LOW VOLTAGE POWER SUPPLY 33 PCB 235C HIGH VOLTAGE DC POWER SUPPLY 34 PCB 104F KEYPAD DISPLAY BOARD 1 3 35 PCB 104F KEYPAD DISPLAY BOARD 2 3 36 PCB 104F KEYPAD DISPLAY BOARD 3 3 37 MAIN WIRING 38 PERFORMANCE CHECKSHEET 39 Manual Reference fileserver2 officefiles instructword avrf AVRF 2 B ed5 odt Last modified July 21 2020 Copy...

Страница 5: ...y flexible instrument Aside from the internal trigger source it can also be triggered or gated by external TTL level signals A front panel pushbutton or a computer command can also be used to trigger the instrument The AVRF 2 B features front panel keyboard and adjust knob control of the output pulse parameters along with a four line by 40 character backlit LCD display of the output amplitude puls...

Страница 6: ... 0 1 of the maximum amplitude Settings accuracy after 10 minute warm up Amplitude Typically 3 of setting 2 of maximum Delay Period Typically 3 of setting 5 ns Pulse width Typically 3 of setting 2 ns at maximum amplitude As the amplitude is reduced the pulse width may shift 10 ns For high accuracy applications requiring traceable calibration verify the output with a calibrated oscilloscope5 Power r...

Страница 7: ...ng Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shielded metal dust caps to reduce the interference potential This instrument does not normally require regular maintenance to minimize interference potential However if loose hardware or connectors are no...

Страница 8: ...ation of conformity is issued under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations greater than the listed maximum value Material Substance Threshold level Lead Pb 1000 ppm 0 1 by mass Mercury Hg 1000 ppm 0 1 by mass Hexavalent Chromium Cr6 1000 ppm 0 1 by mass Polybrominated Biphenyl...

Страница 9: ... 9 have been made Requirements for WEEE compliance may include registration of products with local governments reporting of recycling activities to local governments and financing of recycling activities FIRMWARE LICENSING Instruments with firmware versions 5 00 or higher use open source software internally Some of this software requires that the source code be made available to the user as a cond...

Страница 10: ...rmal single phase supply CONNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed male socket is provided on the back panel for AC power connection to the instrument One end of the detachable power cord that is supplied with the instrument plugs into this socket The other end of the detachable power cord plugs into the local mains supply Use only the cable supplied with the instrument The ...

Страница 11: ...perators are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from the risk of electric shock This instrument is intended for use by qualified personnel who recognize shock hazards and are familiar with safety precautions required to avoid possibly injury In particu...

Страница 12: ... C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluctuations up to 10 of the nominal voltage 6 no pollution or only dry non conductive pollution LABVIEW DRIVERS A LabVIEW driver for this instrument is available for download on the Avtech web site at http www avtechpulse com labview A copy is also available in National Instruments Instrument Driver Library at http www ...

Страница 13: ... the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer may then be extracted using a small flat head screwdriver as shown below 13 Fuses 1 and 2 AC fuses Fuse 4 DC fuse Fuse 3 DC fuse Fuse Drawer Pry out the fuse drawer using a screwdriver ...

Страница 14: ... Nominal Mains Voltage Rating Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 100 240V 0 5A 250V Time Delay 5 20 mm 0218 500HXP F2416 ND 3 DC N A 1 0A 250V Time Delay 5 20 mm 0218001 HXP F2419 ND 4 DC N A 0 8A 250V Time Delay 5 20 mm 0218 800HXP F2418 ND The recommended fuse manufacturer is Littelfuse http www littelfuse com Replacement fuses may be easil...

Страница 15: ...econds after which the instrument will attempt to re enable the output i e light green for about 1 second If the overload condition persists the output will be disabled again i e light yellow for another 5 seconds If the overload condition has been removed the instrument will resume normal operation This overload indicator may flash yellow briefly at start up This is not a cause for concern Note t...

Страница 16: ...e numeric parameters is displayed this increases the setting by a factor of ten 10 If one of the adjustable numeric parameters is displayed this decreases the setting by a factor of ten If one of the adjustable numeric parameters is displayed and this parameter can be both positive or negative this changes the sign of the parameter EXTRA FINE This changes the step size of the ADJUST knob In the ex...

Страница 17: ...ng of the instrument This input can be either active high or active low depending on the front panel settings or programming commands The instrument triggers normally when this input is unconnected When set to active high mode this input is pulled down to ground by a 1 kΩ resistor When set to active low mode this input is pulled up to 5V by a 1 kΩ resistor 5 TRIG This TTL level 0 and 5V logic inpu...

Страница 18: ...d when logging into a serial terminal session The internal controller attempts to auto sense the parity setting It may be necessary to send a few return characters before attempting a login in order to provide enough data to allow this auto sensing to work A standard Linux agetty process is used to implement serial control internally See the Programming Manual for B Instruments for more details on...

Страница 19: ...s set to a positive value the SYNC pulse precedes the OUT pulse When the delay is set to a negative value the SYNC pulse follows the OUT pulse These pulses are illustrated below assuming internal triggering and a positive delay All waveforms are shown with positive amplitudes Figure A If the delay is negative the order of the SYNC and OUT pulses is reversed Figure B 19 SYNC OUT generated by the in...

Страница 20: ...ument controls the trigger frequency and generates the clock internally External Trigger the instrument is triggered by an external TTL level clock on the back panel TRIG connector Manual Trigger the instrument is triggered by the front panel SINGLE PULSE pushbutton Hold Trigger the instrument is set to not trigger at all These modes can be selected using the front panel trigger menu or by using t...

Страница 21: ...the appropriate programming commands See the Programming Manual for B Instruments for more details GATING MODES Triggering can be suppressed by a TTL level signal on the rear panel GATE connector The instrument can be set to stop triggering when this input high or low using the front panel gate menu or the appropriate programming commands This input can also be set to act synchronously or asynchro...

Страница 22: ...rned off when the instrument is not in use In the case of failure the switching elements are easily replaced following the procedure described in a following section DO NOT EXCEED 10 kHz The output stage may be damaged if triggered by an external signal at a pulse repetition frequency greater than 10 kHz USE A 50Ω LOAD A 50 Ohm load is required for proper operation The output stage may be damaged ...

Страница 23: ...proper operation The output stage may be damaged if the output is not terminated into a 50Ω load The AVRF 2 B output may be observed using either a high speed sampling oscilloscope or a slower real time oscilloscope To accurately observe these rising and falling edges a sampling oscilloscope with a bandwidth of 2 GHz is required However if the rising and falling edges do not need to be accurately ...

Страница 24: ...d to terminate the output c The SYNC output channel provides TTL level signals approximately 0 and 3V To avoid overdriving the TRIG input channel of some sampling oscilloscopes a 20 dB attenuator should be placed at the input to the scope trigger channel d The bandwidth capability of components and instruments used to display the pulse generator output signal attenuators cables connectors etc shou...

Страница 25: ...appear Rotate the ADJUST knob until the delay is set at 100 ns c The arrow pointer should be pointing at the Normal choice If it is not press MOVE until it is d Press CHANGE to return to the main menu 5 To set the pulse width to 200 ns a Press the MOVE button until the arrow pointer is pointing at the pulse width menu item b Press the CHANGE button The pulse width submenu will appear Rotate the AD...

Страница 26: ...u may need to adjust the delay setting to a value more compatible with your sampling oscilloscope Repeat step 4 if required You may also need to adjust the sampling scope controls d Rotate the ADJUST knob The amplitude as seen on the oscilloscope should vary Return it to 200V e PN units only Press the button on the front panel The amplitude as seen on the oscilloscope should flip polarity to 200V ...

Страница 27: ... turns on the output For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off all triggering pulse width 200 ns sets the pulse width to 200 ns output on turns on the output volt ampl 50 sets the amplitude to 50 V N units should use volt ampl 50 trigger source immediate generates a single non repetitive trigger event trigger sourc...

Страница 28: ...c value DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate AMPLitude numeric value EXTernal PROTection TRIPped query only STATUS OPERation EVENt query only always returns 0 CONDition query only always returns 0 ENABle numeric value implemented but not useful QUEStionable EVENt query only always returns 0 CONDition query onl...

Страница 29: ...ANual HOLD IMMediate CLS no query form ESE numeric value ESR query only IDN query only OPC SAV 0 1 2 3 no query form RCL 0 1 2 3 no query form RST no query form SRE numeric value STB query only TST query only WAI no query form 29 ...

Страница 30: ... factory for repair Service is to be performed solely by qualified service personnel Caution High voltages are present inside the instrument during normal operation Do not operate the instrument with the cover removed RACK MOUNTING A rack mounting kit is available The R5 rack mount kit may be installed after first removing the one Phillips screw on the side panel adjacent to the front handle ELECT...

Страница 31: ...ses may require replacement All fuses can be accessed from the rear panel See the FUSES section for details CLEANING If desired the interior of the instrument may be cleaned using compressed air to dislodge any accumulated dust See the TOP COVER REMOVAL section for instructions on accessing the interior No other cleaning is recommended 31 ...

Страница 32: ...G 1 G 2 B1 G 4 G 3 L N G X2 CORCO M6EGG 1 2POWERENTRY M O DULE 1 1b 1a 2 2b 2a X1 POWERSWITCH SW325 ND CWINDUSTRIES G RS 4022 0013 A1 BRO WN A2 BLUE A3 BLACK A4 WHITE GRN AMB D1 P395 NDLED GR N AMB BLK RED WHT X5 VCCLED M O UNT DC FA N FAN1 P9768 ND F ANNO T C3 P UR C4 GRN M o lex19 0 73 00 13rin gte rm ina l 8 M o lex19 0 02 00 01 0 25 0 x0 0 32 P ro tectiveco nd uctorterm in al M o lex19 0 02 00...

Страница 33: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY ...

Страница 34: ...PCB 235C HIGH VOLTAGE DC POWER SUPPLY ...

Страница 35: ... 2015 ddb Documents Panelbrd prj PANELTOP LEVELSCHEMATIC 1 2 3 4 5 6 7 8 9 10 J5 Amp 54999 10 1 10 pin straight head er I2C_INT SC L SDA GND VC C SINGLE PULSE BACKLIGHT ENCODER ENCODER S CH I2C_INT SC L SDA GND VC C SINGLE PULSE BACKLIGHT SDA SC L GND VC C VC C LED BACKLIGHT LC D BUTT LC D BUTT SCH SDA SC L GND VC C VC C LED BACKLIGHT ...

Страница 36: ...MUST HAVE A IN P N VC C 1A 1B X2 82 101 71 1 b utton keypad 1 2 U4 A MM74HC 14N 11 10 U1 E MM74HC 14N SINGLE PULSE VC C VC C C1 0 2 2uF C1 1 2 2uF C1 2 2 2uF C9 2 2uF C7 2 2uF C6 2 2uF C1 2 2uF 3 4 U4 B MM74HC 14N 5 6 U4 C MM74HC 14N 9 8 U4 D MM74HC 14N 11 10 U4 E MM74HC 14N 13 12 U4 F MM74HC 14N R1 15K R4 15K 2 3 4 5 6 1 7 8 RN3 460 8X 1 473LF ND R2 100 K VC C 2 3 4 5 6 1 7 8 RN2 460 8X 2 101LF N...

Страница 37: ...DA SC L VC C VC C GND VC C VC C C5 0 1uF 1 2 U1 A MM74HC 14N 13 12 U1 F MM74HC 14N 5 6 U1 C MM74HC 14N PAD3 LED PAD4 LED X3 4 40 MOUNT X1 4 40 MOUNT X9 4 40 MOUNT X8 4 40 MOUNT 3 4 U1 B MM74HC 14N LC D POW E R VC C 2 3 4 5 6 1 7 8 16 9 10 11 12 13 14 15 RN4 481 6P 2 10 2LFC T ND VC C VC C C8 2 2uF R3 22 DB 7 1 DB 6 2 DB 5 3 DB 4 4 DB 3 5 DB 2 6 DB 1 7 DB 0 8 E1 9 R W 10 RS 11 VEE 12 VS S 13 VC C 1...

Страница 38: ... O LOGIC 7 O SQU 8 O TRI 9 O SINE 10 O EA 11 O ALIVE 12 AMPLRNG4 13 AMPLRNG3 14 AMPLRNG2 15 AMPLRNG1 16 AMPLRNG0 17 XRLY 5 18 XRLY 4 EO 19 XRLY 3 V I 20 XRLY 2 DUALPW 21 XRLY 1 22 GATE 23 EXTTRIG 24 SYNC OUT 25 M AIN OUT 26 5VON OFF 27 15VON OFF 28 OUT SYNC VSPARE VPRF GATE 24 V GND TR IG AUX GND VF NO C NC SW NO C NC AMP LAN O LIM EX 295F BD3 PCB295F CON N3 GATE CON N4 EXTTRIG CON N1 SYNC 24V NO ...

Страница 39: ...PERFORMANCE CHECKSHEET 39 ...

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